1998 UH31

1998UH31, 14625, 1951 XC, 1951XC, 1985 UK4, 1985UK4, 1998 UY31, 1998UY31, J51X00C, J85U04K, J98U31H, J98U31Y

All data for this body: [vot]

MPC data
Name (number) 1998 UH31 (14625)
a 2.62549
e 0.14184
i / sin(i) 14.3436 / 0.24774
q 2.25310
Q 2.99789
ω 348.0221
Node 61.8391
m 92.2630
n 0.2317
Epoch 2460800.5
nobs 4289
nopp 24
Years observed 1951-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.627
ep 0.132
sin(ip) 0.229
G 0.150
H 12.180
Mass
D 10.42 0.245
pV 0.245 0.0263
Value
Rotational Period 4.487
Period quality 3-
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.3500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6268 0.1324 0.2289 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.05 0.260 0.260 Masiero 2012ApJ...759L...8M NEATM
13.24 0.750 0.750 Usui 2011PASJ...63.1117U NEATM
13.78 2.760 2.760 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.138 0.0550 0.0550 Ali-Lagoa 2018A&A...612A..85A NEATM
0.277 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.48673 2 Sidereal Durech 2023A&A...675A..24D Model
4.48682 3- Synodic Behrend LCDB Lightcurve
4.487 2 Synodic Waszczak 2015AJ....150...75W Lightcurve